sylph /ˈsɪlf/
  空氣的精靈;苗條的少女;蜂鳥
  Sylph n.
  1. An imaginary being inhabiting the air; a fairy.
  2. Fig.: A slender, graceful woman.
  3. Zool. Any one of several species of very brilliant South American humming birds, having a very long and deeply-forked tail; as, the blue-tailed sylph (Cynanthus cyanurus).
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  sylph
       n 1: a slender graceful young woman
       2: an elemental being believed to inhabit the air